Start testing morphology class

spacy/tests/morphology/test_morph_features.py

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+from __future__ import unicode_literals
+import pytest
+
+from ...morphology import Morphology
+from ...strings import StringStore
+from ...lemmatizer import Lemmatizer
+from ...symbols import *
+
+@pytest.fixture
+def morphology():
+    return Morphology(StringStore(), {}, Lemmatizer())
+
+def test_init(morphology):
+    pass
+
+def test_add_tag_with_string_names(morphology):
+    morphology.add({"Case_gen", "Number_Sing"})
+
+def test_add_tag_with_int_ids(morphology):
+    morphology.add({Case_gen, Number_sing})
+
+def test_add_tag_with_mix_strings_and_ints(morphology):
+    morphology.add({PunctSide_ini, 'VerbType_aux'})
+
+